Honda BF75 BF100 Outboards Service Manual, Page 61Get this manual
HONDA BF75BF 100
bINSPECTION
VALVE STEM 0.0STANDARD IN EX SERVICE LIMIT
5.468-5.480 mm {O.215-0.216 in} 5.435-5.450 mm (0.214-0.2145 in)
5 .08 mm {0.2 in} min4 .75 mm (0.187 in) min
VALVE GUIDE 1.0STANDARD SERVICE LIMIT